diff --git a/internal/api/api.go b/internal/api/api.go
index cb12ec6b..3fbf2044 100644
--- a/internal/api/api.go
+++ b/internal/api/api.go
@@ -32,7 +32,7 @@ func Init() {
 	}
 
 	// default config
-	cfg.Mod.Listen = "0.0.0.0:1984"
+	cfg.Mod.Listen = ":1984"
 
 	// load config from YAML
 	app.LoadConfig(&cfg)
diff --git a/internal/rtsp/rtsp.go b/internal/rtsp/rtsp.go
index 8f7d278f..bb274d20 100644
--- a/internal/rtsp/rtsp.go
+++ b/internal/rtsp/rtsp.go
@@ -26,7 +26,7 @@ func Init() {
 	}
 
 	// default config
-	conf.Mod.Listen = "0.0.0.0:8554"
+	conf.Mod.Listen = ":8554"
 	conf.Mod.DefaultQuery = "video&audio"
 
 	app.LoadConfig(&conf)
diff --git a/internal/srtp/srtp.go b/internal/srtp/srtp.go
index aa946f07..2cf7b6e7 100644
--- a/internal/srtp/srtp.go
+++ b/internal/srtp/srtp.go
@@ -13,7 +13,7 @@ func Init() {
 	}
 
 	// default config
-	cfg.Mod.Listen = "0.0.0.0:8443"
+	cfg.Mod.Listen = ":8443"
 
 	// load config from YAML
 	app.LoadConfig(&cfg)
diff --git a/internal/webrtc/README.md b/internal/webrtc/README.md
index 3511d602..8c26fff9 100644
--- a/internal/webrtc/README.md
+++ b/internal/webrtc/README.md
@@ -1,16 +1,13 @@
 ## Config
 
-- supported networks: IPv4 (default), IPv6, both
 - supported TCP: fixed port (default), disabled 
 - supported UDP: random port (default), fixed port
 
-| Config examples              | IPv4 | IPv6 | TCP   | UDP    |
-|------------------------------|------|------|-------|--------|
-| `listen: "0.0.0.0:8555/tcp"` | yes  | no   | fixed | random |
-| `listen: "0.0.0.0:8555/udp"` | yes  | no   | no    | fixed  |
-| `listen: "[::]:8555/tcp"`    | no   | yes  | fixed | random |
-| `listen: ":8555"`            | yes  | yes  | fixed | fixed  |
-| `listen: ""`                 | yes  | yes  | no    | random |
+| Config examples       | TCP   | UDP    |
+|-----------------------|-------|--------|
+| `listen: ":8555/tcp"` | fixed | random |
+| `listen: ":8555"`     | fixed | fixed  |
+| `listen: ""`          | no    | random |
 
 ## Userful links
 
diff --git a/internal/webrtc/webrtc.go b/internal/webrtc/webrtc.go
index a54326bb..621eccd4 100644
--- a/internal/webrtc/webrtc.go
+++ b/internal/webrtc/webrtc.go
@@ -23,7 +23,7 @@ func Init() {
 		} `yaml:"webrtc"`
 	}
 
-	cfg.Mod.Listen = "0.0.0.0:8555/tcp"
+	cfg.Mod.Listen = ":8555/tcp"
 	cfg.Mod.IceServers = []pion.ICEServer{
 		{URLs: []string{"stun:stun.l.google.com:19302"}},
 	}
diff --git a/pkg/mdns/client.go b/pkg/mdns/client.go
index 89673ce9..a9ea0f1a 100644
--- a/pkg/mdns/client.go
+++ b/pkg/mdns/client.go
@@ -219,7 +219,7 @@ func (b *Browser) ListenMulticastUDP() error {
 		},
 	}
 
-	b.Recv, err = lc2.ListenPacket(ctx, "udp4", "0.0.0.0:5353")
+	b.Recv, err = lc2.ListenPacket(ctx, "udp4", ":5353")
 
 	return err
 }